<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <link rel="stylesheet" type="text/css" href="bootstrap/css/bootstrap.min.css">
</head>
<body>
    <div class="container">
        <div class="btn-group btn-group-vertical">
            <button type="button" class="btn btn-default">Left</button>
            <button type="button" class="btn btn-default">Middle</button>
            <button type="button" class="btn btn-default">Right</button>
        </div>
    </div>

    <div class="btn-toolbar">
        <div class="btn-group">
            <button type="button" class="btn btn-default"><span class="glyphicon glyphicon-align-left"></span></button>
            <button type="button" class="btn btn-default"><span class="glyphicon glyphicon-align-left"></span></button>
        </div>
        <div class="btn-group">
            <button type="button" class="btn btn-default"><span class="glyphicon glyphicon-align-center"></span></button>
            <button type="button" class="btn btn-default"><span class="glyphicon glyphicon-align-center"></span></button>
        </div>
        <div class="btn-group">
            <button type="button" class="btn btn-default"><span class="glyphicon glyphicon-align-right"></span></button>
            <button type="button" class="btn btn-default"><span class="glyphicon glyphicon-align-right"></span></button>
        </div>

        <div class="container">
            <div class="btn-group btn-group-lg">
                <button type="button" class="btn btn-default">Left</button>
                <button type="button" class="btn btn-default">Middle</button>
                <button type="button" class="btn btn-default">Right</button>
            </div>
            <div class="btn-group">
                <button type="button" class="btn btn-default">Left</button>
                <button type="button" class="btn btn-default">Middle</button>
                <button type="button" class="btn btn-default">Right</button>
            </div>
            <div class="btn-group btn-group-sm">
                <button type="button" class="btn btn-default">Left</button>
                <button type="button" class="btn btn-default">Middle</button>
                <button type="button" class="btn btn-default">Right</button>
            </div>
            <div class="btn-group btn-group-xs">
                <button type="button" class="btn btn-default">Left</button>
                <button type="button" class="btn btn-default">Middle</button>
                <button type="button" class="btn btn-default">Right</button>
            </div>
        </div>
    </div>

    <div class="btn-group">
        <button type="button" class="btn btn-default">1</button>
        <button type="button" class="btn btn-default">2</button>
        <div class="btn-group">
            <button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown">
                下拉菜单
                <span class="caret"></span>
            </button>
            <ul class="dropdown-menu" role="menu">
                <li><a href="#">点我</a></li>
                <li><a href="#">点我</a></li>
            </ul>
        </div>
    </div>

    <div class="btn-group btn-group-justified">
        <div class="btn-group">
            <button type="button" class="btn btn-default">Left</button>
        </div>
        <div class="btn-group">
            <button type="button" class="btn btn-default">Middle</button>
        </div>
        <div class="btn-group">
            <button type="button" class="btn btn-default">Right</button>
        </div>
    </div>

    <script src="jquery/jquery-2.1.4.min.js"></script>
    <script src="bootstrap/js/bootstrap.min.js"></script>
</body>
</html>